Home / 628,626.29-867,504.20-342,148.46

Finding the Fourth Proportional to 628,626.29, 867,504.20 and 342,148.46

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Solution

The fourth proportional to 628,626.29, 867,504.20 and 342,148.46 is: 472,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,626.29 : 867,504.20 = 342,148.46 : x
  2. Step 2: Convert to fraction form
    628,626.29/867,504.20 = 342,148.46/x
  3. Step 3: Cross multiply
    628,626.29x = 867,504.20 × 342,148.46
  4. Step 4: Simplify right side
    628,626.29x = 296,815,220,025.27
  5. Step 5: Solve for x
    x = 296,815,220,025.27/628,626.29
  6. Step 6: Final answer
    x = 472,164.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.